Hanuman Jayanti is celebrated on the full moon day during Chaitra month. Hanuman, who is also known as Vanara God, was born on this day and Hanuman Jayanti is celebrated to commemorate the birth of Lord Hanuman. Lord Hanuman is one of the most important deities who are worshipped in Hinduism. Lord Hanuman is most popularly known as an ardent devotee of Lord Rama and He is a central figure of Hindu epic Ramayana. He is one of the Chiranjivi(s) i.e. immortal living beings who are to remain alive on the Earth forever.
Lord Hanuman is considered a lifelong Brahmachari. It is believed that He has taken the vow to celibate throughout His life and to remain an ardent devotee of Lord Rama. Hence, Lord Hanuman is the most significant deities for those who have taken the vow of celibacy especially among male devotees.
Lord Hanuman is also known as Mahavira, Bajrangbali, Anjaneya (आञ्जनेय), Pawan Putra, Anjaniputra, Kesari Nandan and Maruti (मारुति).
Lord Hanuman is worshipped as a deity with the ability to attain victory against evil and provide protection. On this auspicious day, devotees of Lord Hanuman celebrate him and seek his protection and blessings. They flock to temples to worship him and present religious offerings. In return, The devotees receive Prasad as sweets, flowers, coconuts, tilak, sacred ash (udi) and Ganga jal (holy water). People also celebrate him on this day by reciting various devotional hyms and prayers like the Hanuman Chalisa and reading holy scriptures like the Ramayana and Mahabharata.
Hanuman Janam-Utsav is an important festival of the Hindus. Hanuman Janmotsav is also the biggest celebrated festival in India. Lord Hanuman is an ardent devotee of Lord Rama and is widely known for his unflinching devotion to Rama. Hanuman is the symbol of strength and energy. He is said to be able to assume any form at will, wield the gada (including many celestial weapons), move mountains, dart through the air, seize the clouds, and equally rival Garuda in the swiftness of flight.